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Document Title |
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7387752 |
Method for producing solid ceramic particles using a spray drying process
Methods for producing solid, substantially round, spherical and sintered particles from a slurry of a calcined, uncalcined or partially calcined raw material having an alumina content of greater...
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7208196 |
Epitaxial oxide films via nitride conversion
The present invention relates to oxides on suitable substrates, as converted from nitride precursors.
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7067181 |
Insulating ceramic based on partially filled shapes
An insulating ceramic made up of a plurality of partially filled shapes (e.g., 101 ), such as oblate spheroids, spheres, and shapes free of corners, is provided. Each partially filled shape may...
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6977060 |
Method for making a high temperature erosion resistant coating and material containing compacted hollow geometric shapes
A method for making a material system includes the steps of: providing a chamber, placing hollow geometric shapes in the chamber, closing the chamber, evacuating air from the chamber, feeding a...
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6893994 |
Plasma spheroidized ceramic powder
Thermal spray powders suitable for application of a thermal barrier coating on a substrate can be obtained by plasma spraying a chemically homogeneous zirconia stabilized in the tetragonal form...
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6884384 |
Method for making a high temperature erosion resistant material containing compacted hollow geometric shapes
A method for making a thermal insulating material includes the steps of: providing a chamber, placing hollow geometric shapes in the chamber, closing the chamber, evacuating air from the chamber,...
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6733907 |
Hybrid ceramic material composed of insulating and structural ceramic layers
A hybrid ceramic structure ( 10 ), for use in high temperature environments such as in gas turbines, is made from an insulating layer ( 12 ) of porous ceramic that is thermally stable at...
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6641907 |
High temperature erosion resistant coating and material containing compacted hollow geometric shapes
A material system ( 60 ) contains close packed hollow shapes ( 50, 70 ) having a dense wall structure ( 52, 66 ), which are bonded together and which may contain a matrix binder material ( 56 )...
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6602556 |
Ceramic shell thermal spray powders and methods of use thereof
Plasma spraying a substrate using particles having a ceramic coating on a combustible core, which may optionally be burned out before spraying, gives a potential for a thicker more conformable...
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6582669 |
Method for producing ceramic powders utilizing gas-displacing or gas-generating additives
A method is described for producing a ceramic powder, in which at least one ceramic base powder or ceramic slurry is subject to a heat treatment for generating an intermediate product from which...
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6548883 |
Reduced RC between adjacent substrate wiring lines
A void is defined between adjacent wiring lines to minimize RC coupling. The void has a low dielectric value approaching 1.0. For one approach, hollow silicon spheres define the void. The spheres...
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6524704 |
Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof
A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal...
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6396119 |
Reduced RC delay between adjacent substrate wiring lines
A void is defined between adjacent wiring lines to minimize RC coupling. The void has a low dielectric value approaching 1.0. For one approach, hollow silicon spheres define the void. The spheres...
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6287511 |
High temperature insulation for ceramic matrix composites
A ceramic composition is provided to insulate ceramic matrix composites under high temperature, high heat flux environments. The composition comprises a plurality of hollow oxide-based spheres of...
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6194084 |
Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof
A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal...
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6102656 |
Segmented abradable ceramic coating
A segmented abradable ceramic coating system having superior abradability and erosion resistance is disclosed. The system includes a duct segment having a metallic substrate, a MCrAlY bond coat on...
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6022594 |
Method to improve the service life of zirconia-based coatings applied by plasma spray techniques, using uniform coating particle size
A method for improving the quality of a zirconia-based coating deposited on a metal-based substrate is disclosed. The method comprises the step of plasma-spraying zirconia powder of substantially...
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6013592 |
High temperature insulation for ceramic matrix composites
A ceramic composition is provided to insulate ceramic matrix composites under high temperature, high heat flux environments. The composite comprises a plurality of hollow oxide-based spheres of...
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5985368 |
Coating composition for metal-based substrates, and related processes
An improved thermal barrier coating for metal substrates such as superalloys is disclosed. The coating is a slurry composition, comprising spheres of zirconia, at least some of which are hollow,...
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5885663 |
Method for depositing a coating containing plastic on a surface
A high temperature thermal sprayable material, such as a metal or metal oxide, is adhered to the surface of a thermal sprayable plastic particle to form a cladding layer thereon. The high...
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5835987 |
Reduced RC delay between adjacent substrate wiring lines
A void is defined between adjacent wiring lines to minimize RC coupling. The void has a low dielectric value approaching 1.0. For one approach, hollow silicon spheres define the void. The spheres...
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5780171 |
Gas turbine engine component
A gas turbine engine component coating having superior abradability and erosion resistance is disclosed. The coating includes a base coat foundation layer, a graded interlayer and an abradable top...
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5759932 |
Coating composition for metal-based substrates, and related processes
An improved thermal barrier coating for metal substrates such as superalloys is provided. The coating is a slurry composition, comprising spheres of zirconia, at least some of which are hollow,...
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5718970 |
Thermal sprayed coating containing plastic
A high temperature thermal sprayable material, such as a metal or metal oxide, is adhered to the surface of a thermal sprayable plastic particle to form a cladding layer thereon. The high...
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5705231 |
Method of producing a segmented abradable ceramic coating system
A method of producing a segmented abradable ceramic coating system having superior abradability and erosion resistance is disclosed. The system includes a duct segment having a metallic substrate,...
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5660934 |
Clad plastic particles suitable for thermal spraying
A high temperature thermal sprayable material, such as a metal or metal oxide, is adhered to the surface of a thermal sprayable plastic particle to form a cladding layer thereon. The high...
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5275889 |
Multi-layer wiring board
A laminated multi-layer wiring board comprising alternate layers of a glass ceramic material and conductor pattern. The glass ceramic layers are made of a glass ceramic comprising glass and...
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4716572 |
Method for coating carbon and graphite bodies
Coating graphite and carbon bodies with a protective layer containing predominantly silicon, by plasma spraying a silicon powder with a grain size under 0.05 mm and with an argon/hydrogen mixture...
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4657810 |
Fired hollow ceramic spheroids
A hollow, ceramic macrosphere or spheroid comprising a relatively smooth outer skin and cellular shell is produced in the 2-20 mm diameter range with specific gravities in the 0.2-1.2 range. The...
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4599270 |
Zirconium oxide powder containing cerium oxide and yttrium oxide
A flame spray material for producing a low thermal conductivity ceramic coating is comprised of a homogeneous ceramic composition formed of zirconium oxide, cerium oxide and yttrium oxide. The...
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4548832 |
Materials
The present invention relates to materials and more particularly to particulate materials suitable for use as thermal spraying powders. There is disclosed a process for the preparation of a...
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